BatteryMonitor uses deprecated ACPI event support, causing crashes when plugging or unplugging AC adapter

Thanks for the report, and for working on a fix, Benn. When you are done please propose a merge so we can review it.

Rev 1690 keeps it from crashing (I think). The final fix is of course the branch which adds /sys support.

I am also suffering from this problem, even i dont have the battery plugin enable, but still docky crushes when AC power on/off.

Yeah, that branch doesn't crash for me.

Fixed in rev 1704.

Docky still crashes on power change for me. Ubuntu 14.04, Docky 2.2.0.

See error log here:
http://pastebin.com/2tFUsbbY

Same problem on my system.. Same config as jamiesonwarner
Unhandled Exception:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.UPower" doesn't exist

  at Docky.Services.SystemService+IUPowerProxy.Get (System.String interface, System.String propname) [0x00000] in <filename unknown>:0
  at Docky.Services.SystemService.HandleUPowerChanged () [0x00000] in <filename unknown>:0
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
at System.Reflection.MonoMethod.Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo) <0x00137>
at System.Reflection.MethodBase.Invoke (object,object[]) <0x00032>
at System.Delegate.DynamicInvokeImpl (object[]) <0x00203>
at System.MulticastDelegate.DynamicInvokeImpl (object[]) <0x0003b>
at System.MulticastDelegate.DynamicInvokeImpl (object[]) <0x0002e>
at System.Delegate.DynamicInvoke (object[]) <0x00020>
at DBus.Connection.HandleSignal (DBus.Protocol.Message) <0x0031f>
at DBus.Connection.DispatchSignals () <0x00067>
at DBus.Connection.Iterate () <0x0002f>
at DBus.BusG/<Init>c__AnonStorey0.<>m__0 (intptr,DBus.GLib.IOCondition,intptr) <0x0003b>
at (wrapper native-to-managed) DBus.BusG/<Init>c__AnonStorey0.<>m__0 (intptr,DBus.GLib.IOCondition,intptr) <0x0008a>
at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x00054>
at Gtk.Application.Run () <0x0000b>
at Docky.Docky.Main (string[]) <0x005cb>

[ERROR] FATAL UNHANDLED EXCEPTION: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.UPower" doesn't exist

  at Docky.Services.SystemService+IUPowerProxy.Get (System.String interface, System.String propname) [0x00000] in <filename unknown>:0
  at Docky.Services.SystemService.HandleUPowerChanged () [0x00000] in <filename unknown>:0
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
at System.Reflection.MonoMethod.Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo) <0x00137>
at System.Reflection.MethodBase.Invoke (object,object[]) <0x00032>
at System.Delegate.DynamicInvokeImpl (object[]) <0x00203>
at System.MulticastDelegate.DynamicInvokeI...